diff --git a/src/Refitter.Core/RefitGenerator.cs b/src/Refitter.Core/RefitGenerator.cs
index d36addebb..1dd333adf 100644
--- a/src/Refitter.Core/RefitGenerator.cs
+++ b/src/Refitter.Core/RefitGenerator.cs
@@ -9,6 +9,11 @@ namespace Refitter.Core;
 /// </summary>
 public class RefitGenerator(RefitGeneratorSettings settings, OpenApiDocument document)
 {
+    /// <summary>
+    /// OpenAPI specifications used to generate Refit clients and interfaces.
+    /// </summary>
+    public OpenApiDocument OpenApiDocument => document;
+
     /// <summary>
     /// Creates a new instance of the <see cref="RefitGenerator"/> class asynchronously.
     /// </summary>
diff --git a/src/Refitter/GenerateCommand.cs b/src/Refitter/GenerateCommand.cs
index 2fdbcd39d..e2bfa6f46 100644
--- a/src/Refitter/GenerateCommand.cs
+++ b/src/Refitter/GenerateCommand.cs
@@ -71,7 +71,30 @@ public override async Task<int> ExecuteAsync(CommandContext context, Settings se
 
             await (refitGeneratorSettings.GenerateMultipleFiles
                 ? WriteMultipleFiles(generator, settings, refitGeneratorSettings)
-                : WriteSingleFile(generator, settings, refitGeneratorSettings)); Analytics.LogFeatureUsage(settings, refitGeneratorSettings);
+                : WriteSingleFile(generator, settings, refitGeneratorSettings));
+
+            Analytics.LogFeatureUsage(settings, refitGeneratorSettings);
+
+            if (refitGeneratorSettings.IncludePathMatches.Length > 0 &&
+                generator.OpenApiDocument.Paths.Count == 0)
+            {
+                Console.WriteLine("⚠️ WARNING: All API paths were filtered out by --match-path patterns. ⚠️");
+                Console.WriteLine($"   Match Patterns used: {string.Join(", ", refitGeneratorSettings.IncludePathMatches)}");
+                Console.WriteLine();
+                Console.WriteLine("   This could indicate that:");
+                Console.WriteLine("     1. The regex patterns don't match any available paths");
+                Console.WriteLine("     2. There's a syntax error in the regex patterns");
+                Console.WriteLine("     3. The patterns were corrupted by command line interpretation");
+                Console.WriteLine();
+                Console.WriteLine("   This commonly happens when using the Windows Command Prompt (CMD) instead of PowerShell.");
+                Console.WriteLine("   The ^ character in regex patterns is interpreted as an escape character in CMD.");
+                Console.WriteLine();
+                Console.WriteLine("   Solutions:");
+                Console.WriteLine("     1. Use PowerShell instead of CMD");
+                Console.WriteLine("     2. In CMD, escape the ^ character or use different quoting");
+                Console.WriteLine("     3. Use a .refitter settings file instead of command line arguments");
+                Console.WriteLine();
+            }
 
             // Success summary with performance metrics
             stopwatch.Stop();
diff --git a/test/smoke-tests.bat b/test/smoke-tests.bat
new file mode 100644
index 000000000..07863416e
--- /dev/null
+++ b/test/smoke-tests.bat
@@ -0,0 +1,215 @@
+@echo off
+setlocal enabledelayedexpansion
+
+:: Parse command line arguments
+set "PARALLEL=true"
+set "USE_PRODUCTION=false"
+
+:parse_args
+if "%~1"=="" goto :main
+if /i "%~1"=="-parallel" (
+    set "PARALLEL=%~2"
+    shift
+    shift
+    goto :parse_args
+)
+if /i "%~1"=="-useproduction" (
+    set "USE_PRODUCTION=true"
+    shift
+    goto :parse_args
+)
+shift
+goto :parse_args
+
+:main
+echo Parallel: %PARALLEL%
+echo UseProduction: %USE_PRODUCTION%
+
+goto :run_tests
+
+:throw_on_native_failure
+if not %errorlevel%==0 (
+    echo Native Failure
+    exit /b 1
+)
+goto :eof
+
+:generate_and_build
+set "format=%~1"
+set "namespace=%~2"
+set "output_path=%~3"
+set "args=%~4"
+set "net_core=%~5"
+set "csproj=%~6"
+set "build_from_source=%~7"
+
+if "%build_from_source%"=="" set "build_from_source=true"
+
+:: Clean up generated files
+del /q /s ".\GeneratedCode\*.cs" 2>nul
+
+set "process_path=.\bin\refitter"
+if /i "%build_from_source%"=="false" set "process_path=refitter"
+
+:: Check if using settings file
+echo %args% | findstr "settings-file" >nul
+if %errorlevel%==0 (
+    echo %process_path% --no-logging %args%
+    %process_path% --no-logging %args%
+    call :throw_on_native_failure
+) else (
+    echo %process_path% .\openapi.%format% --namespace %namespace% --output .\GeneratedCode\%output_path% --no-logging %args%
+    %process_path% .\openapi.%format% --namespace %namespace% --output .\GeneratedCode\%output_path% --no-logging %args%
+    call :throw_on_native_failure
+)
+
+:: Build the project
+if not "%csproj%"=="" (
+    echo.
+    echo Building %csproj% file
+    echo.
+    set "solution=%csproj%"
+) else (
+    echo.
+    echo Building ConsoleApp
+    echo.
+    set "solution=.\ConsoleApp\ConsoleApp.sln"
+    if /i "%net_core%"=="true" set "solution=.\ConsoleApp\ConsoleApp.Core.sln"
+)
+
+dotnet build %solution%
+call :throw_on_native_failure
+goto :eof
+
+:run_tests
+set "method=%~1"
+set "parallel_param=%~2"
+set "build_from_source_param=%~3"
+
+if "%build_from_source_param%"=="" set "build_from_source_param=true"
+
+:: Array of filenames (simulated using variables)
+set "filename0=weather"
+set "filename1=bot.paths"
+set "filename2=petstore"
+set "filename3=petstore-expanded"
+set "filename4=petstore-minimal"
+set "filename5=petstore-simple"
+set "filename6=petstore-with-external-docs"
+set "filename7=api-with-examples"
+set "filename8=callback-example"
+set "filename9=link-example"
+set "filename10=uber"
+set "filename11=uspto"
+set "filename12=hubspot-events"
+set "filename13=hubspot-webhooks"
+set "filename_count=14"
+
+if /i "%build_from_source_param%"=="true" (
+    echo dotnet publish ..\src\Refitter\Refitter.csproj -p:PublishReadyToRun=true -o bin -f net8.0
+    dotnet publish ..\src\Refitter\Refitter.csproj -p:PublishReadyToRun=true -o bin -f net8.0
+    call :throw_on_native_failure
+
+    echo refitter --version
+    .\bin\refitter --version
+    call :throw_on_native_failure
+)
+
+:: Generate with settings files
+call :generate_and_build " " " " "SwaggerPetstoreDirect.generated.cs" "--settings-file .\petstore.refitter" "" "" "%build_from_source_param%"
+call :generate_and_build " " " " "" "--settings-file .\Apizr\petstore.apizr.refitter" "" ".\Apizr\Sample.csproj" "%build_from_source_param%"
+call :generate_and_build " " " " "" "--settings-file .\MultipleFiles\petstore.refitter" "" "MultipleFiles\Client\Client.csproj" "%build_from_source_param%"
+
+:: Process versions and formats
+for %%v in (v3.0 v2.0) do (
+    for %%f in (json yaml) do (
+        for /l %%i in (0,1,13) do (
+            set "filename=!filename%%i!"
+            set "file_path=.\OpenAPI\%%v\!filename!.%%f"
+            
+            if exist "!file_path!" (
+                copy "!file_path!" ".\openapi.%%f" >nul
+                
+                :: Create output path and namespace
+                set "output_path=!filename!.generated.cs"
+                set "output_path=!output_path:~0,1!!output_path:~1!"
+                call :capitalize output_path
+                
+                set "namespace=!filename!"
+                set "namespace=!namespace:-=!"
+                call :capitalize namespace
+                
+                :: Generate different variants
+                call :generate_and_build "%%f" "!namespace!.Disposable" "Disposable!output_path!" "--disposable" "true" "" "%build_from_source_param%"
+                call :generate_and_build "%%f" "!namespace!.MultipleFiles" "" "--multiple-files" "" "" "%build_from_source_param%"
+                call :generate_and_build "%%f" "!namespace!.SeparateContractsFile" "" "--contracts-output GeneratedCode/Contracts --contracts-namespace !namespace!.SeparateContractsFile.Contracts" "" "" "%build_from_source_param%"
+                call :generate_and_build "%%f" "!namespace!.Cancellation" "WithCancellation!output_path!" "--cancellation-tokens" "" "" "%build_from_source_param%"
+                call :generate_and_build "%%f" "!namespace!.Internal" "Internal!output_path!" "--internal" "" "" "%build_from_source_param%"
+                call :generate_and_build "%%f" "!namespace!.UsingApiResponse" "IApi!output_path!" "--use-api-response" "" "" "%build_from_source_param%"
+                call :generate_and_build "%%f" "!namespace!.UsingIObservable" "IObservable!output_path!" "--use-observable-response" "" "" "%build_from_source_param%"
+                call :generate_and_build "%%f" "!namespace!.UsingIsoDateFormat" "UsingIsoDateFormat!output_path!" "--use-iso-date-format" "" "" "%build_from_source_param%"
+                call :generate_and_build "%%f" "!namespace!.MultipleInterfaces" "MultipleInterfaces!output_path!" "--multiple-interfaces ByEndpoint" "" "" "%build_from_source_param%"
+                call :generate_and_build "%%f" "!namespace!.MultipleInterfaces" "MultipleInterfacesWithCustomName!output_path!" "--multiple-interfaces ByEndpoint --operation-name-template ExecuteAsync" "" "" "%build_from_source_param%"
+                call :generate_and_build "%%f" "!namespace!.TagFiltered" "TagFiltered!output_path!" "--tag pet --tag user --tag store" "" "" "%build_from_source_param%"
+                call :generate_and_build "%%f" "!namespace!.MatchPathFiltered" "MatchPathFiltered!output_path!" "--match-path ^^/pet/.*" "" "" "%build_from_source_param%"
+                call :generate_and_build "%%f" "!namespace!.ContractOnly" "ContractOnly!output_path!" "--contract-only" "" "" "%build_from_source_param%"
+                call :generate_and_build "%%f" "!namespace!.ImmutableRecords" "ImmutableRecords!output_path!" "--immutable-records" "true" "" "%build_from_source_param%"
+                call :generate_and_build "%%f" "!namespace!.PolymorphicSerialization" "PolymorphicSerialization!output_path!" "--use-polymorphic-serialization" "true" "" "%build_from_source_param%"
+                call :generate_and_build "%%f" "!namespace!.CollectionFormatCsv" "CollectionFormatCsv!output_path!" "--collection-format csv" "true" "" "%build_from_source_param%"
+            )
+        )
+    )
+)
+
+:: Process URLs
+for %%u in ("https://petstore3.swagger.io/api/v3/openapi.json" "https://petstore3.swagger.io/api/v3/openapi.yaml") do (
+    set "namespace=PetstoreFromUri"
+    set "output_path=PetstoreFromUri.generated.cs"
+    
+    del /q "*.generated.cs" 2>nul
+    
+    set "process_path=.\bin\refitter"
+    if /i "%build_from_source_param%"=="false" set "process_path=refitter"
+    
+    echo !process_path! %%u --namespace !namespace! --output .\GeneratedCode\!output_path!
+    !process_path! %%u --namespace !namespace! --output .\GeneratedCode\!output_path!
+    call :throw_on_native_failure
+    
+    echo.
+    echo Building ConsoleApp
+    echo.
+    dotnet build .\ConsoleApp\ConsoleApp.sln
+    call :throw_on_native_failure
+)
+
+goto :eof
+
+:capitalize
+set "temp_var=!%1!"
+set "first_char=!temp_var:~0,1!"
+set "rest_chars=!temp_var:~1!"
+for %%a in (A B C D E F G H I J K L M N O P Q R S T U V W X Y Z) do (
+    for %%b in (a b c d e f g h i j k l m n o p q r s t u v w x y z) do (
+        if "!first_char!"=="%%b" set "first_char=%%a"
+    )
+)
+set "%1=!first_char!!rest_chars!"
+goto :eof
+
+:: Main execution
+if /i "%USE_PRODUCTION%"=="true" (
+    echo Running smoke tests in production mode
+    echo dotnet tool update -g refitter --prerelease
+    dotnet tool update -g refitter --prerelease
+    call :throw_on_native_failure
+    echo.
+)
+
+echo Starting smoke tests...
+set "start_time=%time%"
+call :run_tests "dotnet-run" "%PARALLEL%" "!USE_PRODUCTION:true=false!"
+set "end_time=%time%"
+echo.
+echo Smoke tests completed.
+
+endlocal